/**
 * 714.买股票的最佳时机含手续费
 */
public class Exerciser6 {
    public int maxProfit(int[] prices, int fee) {
        int n = prices.length;
        int[][] dp = new int[n][2];
        dp[0][0] = -prices[0];//买入0位置的股票按照其票价
        dp[0][1] = 0;
        for(int i = 1;i < n;i++) {
            dp[i][0] = Math.max(dp[i - 1][0],dp[i - 1][1] - prices[i]);
            dp[i][1] = Math.max(dp[i - 1][1],dp[i - 1][0] + prices[i] - fee);
        }
        return Math.max(dp[n - 1][0],dp[n - 1][1]);
    }
}
